Home / 7,331.69-10,120.07-4,686.23

Finding the Fourth Proportional to 7,331.69, 10,120.07 and 4,686.23

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Solution

The fourth proportional to 7,331.69, 10,120.07 and 4,686.23 is: 6,468.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.69 : 10,120.07 = 4,686.23 : x
  2. Step 2: Convert to fraction form
    7,331.69/10,120.07 = 4,686.23/x
  3. Step 3: Cross multiply
    7,331.69x = 10,120.07 × 4,686.23
  4. Step 4: Simplify right side
    7,331.69x = 47,424,975.64
  5. Step 5: Solve for x
    x = 47,424,975.64/7,331.69
  6. Step 6: Final answer
    x = 6,468.49

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.